Famed naturalist and conservationist John Muir was so much more than the father of our national parks.

A storm chaser captured stunning clear video of a perfect tornado in Wyoming.

Trust Chanie Kirschner when she says you can't go wrong with flowers and chocolate -- organic or free trade, of course.

MNN's lifestyle blogger finally upgrades to all-organic bedding after her old duvet cover started falling apart.

Try these not-too-sweet organic thirst quenchers to stay cool in hot weather.

Did you know you could be polluting the air in your house by burning candles? Learn more here.

Found in everything from rice to apple juice, arsenic can be a serious health concern, but how worried should you be? Here's what you need to know.

From fewer migraines to more self-esteem, there are so many mental and physical benefits to growing old.

There are lots of causes for sleepless nights, but it helps to know if it's insomnia or not. Thankfully, there are natural ways to get back on track.

Researchers are studying brown fat's calorie-burning power and how it might help ward off obesity and diabetes.

What is Lyme disease? Here's where you are more likely to get it and the symptoms to look for if you're concerned.

If you're sleeping in on the weekends, you might be setting yourself up for a host of chronic health issues.

Turn that frown upside-down if you want to improve your health and live longer.

Hearing aids and cataract surgery can slow mental decline, say new studies.

Knowing the difference and making a simple change might help you stay awake.

Experts believe that between one-third and one-half of cancers are preventable. Here's what you can do.

Why drive when you can dehydrate? Discover the fruit dehydrator you already own. It's parked on your street.

Vote in the People’s Choice 2012 Green Plate Awards sponsored by The Nature Conservancy for your favorite sustainable restaurant in select regions.

Ideas to green a white attire dinner that is all the rage.

Even dining out for lunch twice a week can really add up.

WikiPearl is an edible shell that wraps around food and complements the flavor. It’s meant to take the place of throwaway packaging, but it poses a challenge.

Please the crowd at the pool, the park or in your backyard with our healthy, farmers market-focused recipes.

Are you poisoning your family with fish? That is the essence of the question that one San Franciscan man recently took it upon himself to answer.

Find out how you can send in a lock of hair to see how much mercury is in your body.

A new Sierra Club quiz lets you see how much coal is affecting your life and well-being.

Here's how to say goodbye to chemicals and hello to an eco-friendly lawn.

In honor of Cesar Chavez Day, here are 10 interesting facts about the civil rights activist.

Are aphids and other pests wrecking your garden? Partner up with ladybugs to stop the carnage.

A buzzworthy new discovery might help explain the alarming speed of colony collapse disorder.

Consumer Reports’ risk guide helps shoppers make informed decisions when buying fruits and vegetables.

A family ate organically for 2 weeks, reducing pesticides in their bodies big-time. Here's why it matters.

By 2050, New Zealand hopes to be rid of rats, possums, stoats and other invasive predators.

These recipes help you conserve water (and cleanup is a breeze.)

Getting past the ick factor isn't the only obstacle for a beer made from treated wastewater to be sold on the market.

Don't laugh. There are a lot of good reasons to consider it.

A handy new tool can transform your pictures into colorful mosaics of emoji.

It's yet one more benefit of living in the Google years.

Rule No. 1: You're never too old or too young to learn to code.

Theses six apps can help you add hours back to your day.

New books says, 'In the long run, we will neither need nor want professionals to work in the way that they did in the twentieth century and before.'

Survey takes a look at the underlying traits and habits of up-and-coming computer coders.

When fingerprints fail, a map of your brainwaves could help keep your cyberworld safe.

You want to feel safe? Be a nobody with nothing anyone is interested in.

Looking for something to take you away from all that ever-filling inbox? Relief is just a couple clicks away with these hypnotic webcam feeds.

Just Not Sorry app helps women (and men) stop undermining their email messages with qualifiers and apologies.

If you're careful, if you're vigilant, if you're nimble enough, you can stay safe online with better passwords.

Anyone with an internet connection and a few hours to spare has access to education and it's often free. Here's a sampling of the knowledge that awaits you.

Context is key, and it's something computers and search engines like Google just don't have yet.

Environmentally and socially responsible investment companies help make ecosystems and the economy more sustainable.

Whether you filed your taxes early or are scrambling at the last minute, it's not a bad idea to start planning what to do with your tax refund.